NTS Test MCQs Computer Communication and Networks

NTS Test Multiple Choice Questions (MCQs) of Computer Communication and Networks. Computer Questions and Answers for NTS Test from 16 to 20.

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16. Communication between a computer and a keyboard involves:
(A) Simplex
(B) Half-duplex
(C) Full-duplex
(D) All

17. Encryption takes place at which layer?
(A) Physical
(B) Presentation
(C) Application
(D) Session

18. Which layers translates between the physical (MAC) & logical address?
(A) Network
(B) Datalink
(C) Presentation
(D) Transport

19. IP is implemented at which OSI Model layer?
(A) Transport
(B) Network
(C) Datalink
(D) Presentation

20. The length of an IP address is:
(A) 8 bit
(B) 16 bit
(C) 32 bit
(D) 64 bit

ANSWERS: NTS TEST MCQS COMPUTER COMMUNICATION AND NETWORKS
16. (A) Simplex
17. (B) Presentation
18. (A) Network
19. (B) Network
20. (C) 32 bit